Simulation and quantitative assessment of finitesize particle distributions in metal matrix composites
Yang, N., Boselli, J. and Sinclair, I. (2000) Simulation and quantitative assessment of finitesize particle distributions in metal matrix composites. Materials Science and Technology, 16, (7-8), 797-805.
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A series of finitesize particle distributions were simulated to investigate the effects of particle size, shape, orientation, and area fraction on the quantification of homogeneity in structural particulate metal matrix composites (MMCs). It is found that, for nominally random distributions, the values of conventional centre-to-centre nearest-neighbour spacing parameters are influenced by particle morphology, and, as such, are unsuitable for characterising distributions of finite-size particles. However, the coefficient of variation of the mean near-neighbour distance COV(dmean), derived from particle interfaces using finite-body tessellation, appears independent of particle shape, size distribution, orientation, and area fraction, while showing great sensitivity to particle clustering. In the range of particle morphological characteristics studied, the random distributions were found to exhibit a consistent value of COV(dmean) equal to 0.36±0.02. The degree of inhomogeneity of any given distribution may then be evaluated by simply comparing the measured COV(dmean) with this value
|Subjects:||T Technology > TN Mining engineering. Metallurgy|
|Divisions:||University Structure - Pre August 2011 > School of Engineering Sciences
|Date Deposited:||08 Feb 2007|
|Last Modified:||31 May 2011 23:33|
|RDF:||RDF+N-Triples, RDF+N3, RDF+XML, Browse.|
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